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Technical details about Ruxolitinib, learn more about the structure, uses, toxicity, action, side effects and more

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2D Structure
1. Also known as: 1092939-17-7, Jakafi, (r)-3-(4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl)-3-cyclopentylpropanenitrile phosphate, Jakavi, Ruxolitinib (phosphate), Ruxolitinib monophosphate
Molecular Formula
C17H21N6O4P
Molecular Weight
404.4  g/mol
InChI Key
JFMWPOCYMYGEDM-XFULWGLBSA-N
FDA UNII
436LRU32H5

Ruxolitinib Phosphate is the phosphate salt form of ruxolitinib, an orally bioavailable Janus-associated kinase (JAK) inhibitor with potential antineoplastic and immunomodulating activities. Ruxolitinib specifically binds to and inhibits protein tyrosine kinases JAK 1 and 2, which may lead to a reduction in inflammation and an inhibition of cellular proliferation. The JAK-STAT (signal transducer and activator of transcription) pathway plays a key role in the signaling of many cytokines and growth factors and is involved in cellular proliferation, growth, hematopoiesis, and the immune response; JAK kinases may be upregulated in inflammatory diseases, myeloproliferative disorders, and various malignancies.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(3R)-3-cyclopentyl-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrazol-1-yl]propanenitrile;phosphoric acid
2.1.2 InChI
InChI=1S/C17H18N6.H3O4P/c18-7-5-15(12-3-1-2-4-12)23-10-13(9-22-23)16-14-6-8-19-17(14)21-11-20-16;1-5(2,3)4/h6,8-12,15H,1-5H2,(H,19,20,21);(H3,1,2,3,4)/t15-;/m1./s1
2.1.3 InChI Key
JFMWPOCYMYGEDM-XFULWGLBSA-N
2.1.4 Canonical SMILES
C1CCC(C1)C(CC#N)N2C=C(C=N2)C3=C4C=CNC4=NC=N3.OP(=O)(O)O
2.1.5 Isomeric SMILES
C1CCC(C1)[C@@H](CC#N)N2C=C(C=N2)C3=C4C=CNC4=NC=N3.OP(=O)(O)O
2.2 Other Identifiers
2.2.1 UNII
436LRU32H5
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 3r)-3-cyclopentyl-3-(4-(7h-pyrrolo(2,3-d)pyrimidin-4-yl)pyrazol-1-yl)propanenitrile

2. Inc-424

3. Inc424

4. Inca24

5. Incb-018424

6. Incb-018424 Phosphate

7. Incb-018424 Salt

8. Incb-18424

9. Incb-18424 Phosphate

10. Incb018424

11. Incb018424 Phosphate

12. Jakafi

13. Jakavi

14. Opzelura

15. Ruxolitinib

16. Ruxolitinib (as Phosphate)

17. Ruxolitinib Monophosphate

2.3.2 Depositor-Supplied Synonyms

1. 1092939-17-7

2. Jakafi

3. (r)-3-(4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl)-3-cyclopentylpropanenitrile Phosphate

4. Jakavi

5. Ruxolitinib (phosphate)

6. Ruxolitinib Monophosphate

7. Incb018424 Phosphate

8. Ruxolitinib (as Phosphate)

9. Incb-018424 Phosphate

10. Incb-018424 Salt

11. Ruxolitinib Phosphate [usan]

12. Incb-18424 Phosphate

13. Incb018424 Salt

14. Chebi:66917

15. 436lru32h5

16. 1092939-17-7 (phosphate)

17. (betar)-beta-cyclopentyl-4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazole-1-propanenitrile Phosphate

18. Incb-18424

19. Ruxolitinib Phosphate Salt

20. (3r)-3-cyclopentyl-3-[4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl]propanenitrile Phosphate

21. (3r)-3-cyclopentyl-3-(4-(7h-pyrrolo(2,3-d)pyrimidin-4-yl)-1h-pyrazol-1-yl)propanenitrile Phosphate (1:1)

22. Phosphenoperoxoic Acid Compound With (r)-3-(4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)- 1h-pyrazol-1-yl)-3-cyclopentylpropanenitrile And Dihydrogen (1:1:1)

23. Opzelura

24. Unii-436lru32h5

25. (3r)-3-cyclopentyl-3-[4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl]propanenitrilephosphoricacid

26. Jakafi (tn)

27. Jakavi (tn)

28. Ruxolitinib Phosphate(incb018424)

29. Inc 424 Phosphate

30. Incb 018424 Phosphate

31. Incb-424

32. Schembl1369365

33. Chembl1795071

34. Amy5620

35. Dtxsid00911086

36. Ruxolitinib Phosphate (jan/usan)

37. Ruxolitinib Phosphate [mi]

38. Ruxolitinib Phosphate [jan]

39. Ex-a2660

40. Cs1956

41. Mfcd18452860

42. S5243

43. Akos024464417

44. Ruxolitinib (incb-18424) Phosphate

45. Ruxolitinib Phosphate [who-dd]

46. Bcp9000783

47. Ccg-268687

48. Cs-0326

49. 1h-pyrazole-1-propanenitrile, Beta-cyclopentyl-4-(7h-pyrrolo(2,3-d)pyrimidin-4-yl)-,(betar)-, Phosphate (1:1)

50. Ac-30901

51. As-74723

52. Hy-50858

53. Ruxolitinib Phosphate [orange Book]

54. Ruxolitinib (as Phosphate) [ema Epar]

55. D09960

56. J-501793

57. Q27135517

58. (3r)-3-cyclopentyl-3-(4-{7h-pyrrolo[2,3-d]pyrimidin-4-yl}-1h-pyrazol-1-yl)propanenitrile; Phosphoric Acid

59. (3r)-3-cyclopentyl-3-[4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)pyrazol-1-yl]propanenitrile;phosphoric Acid

60. (r)-3-(4-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl)-3-cyclopentylpropanenitrilephosphate

61. 1h-pyrazole-1-propanenitrile,.beta.-cyclopentyl-4-(7h-pyrrolo(2,3-d)pyrimidin-4-yl)-,(.beta.r)-,phosphate (1:1)

62. Phosphoric Acid--3-cyclopentyl-3-[4-(1h-pyrrolo[2,3-d]pyrimidin-4-yl)-1h-pyrazol-1-yl]propanenitrile (1/1)

2.4 Create Date
2009-01-19
3 Chemical and Physical Properties
Molecular Weight 404.4 g/mol
Molecular Formula C17H21N6O4P
Hydrogen Bond Donor Count4
Hydrogen Bond Acceptor Count8
Rotatable Bond Count4
Exact Mass404.13619017 g/mol
Monoisotopic Mass404.13619017 g/mol
Topological Polar Surface Area161 Ų
Heavy Atom Count28
Formal Charge0
Complexity503
Isotope Atom Count0
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Drug and Medication Information
4.1 Drug Information
1 of 2  
Drug NameJakafi
PubMed HealthRuxolitinib (By mouth)
Drug ClassesAntineoplastic Agent
Active IngredientRuxolitinib phosphate
Dosage FormTablet
RouteOral
Strengtheq 5mg base; eq 20mg base; eq 15mg base; eq 10mg base; eq 25mg base
Market StatusPrescription
CompanyIncyte

2 of 2  
Drug NameJakafi
PubMed HealthRuxolitinib (By mouth)
Drug ClassesAntineoplastic Agent
Active IngredientRuxolitinib phosphate
Dosage FormTablet
RouteOral
Strengtheq 5mg base; eq 20mg base; eq 15mg base; eq 10mg base; eq 25mg base
Market StatusPrescription
CompanyIncyte

4.2 Drug Indication

* Myelofibrosis (MF):

Jakavi is indicated for the treatment of disease related splenomegaly or symptoms in adult patients with primary myelofibrosis (also known as chronic idiopathic myelofibrosis), post polycythaemia vera myelofibrosis or post essential thrombocythaemia myelofibrosis.

* Polycythaemia vera (PV):

Jakavi is indicated for the treatment of adult patients with polycythaemia vera who are resistant to or intolerant of hydroxyurea.

* Graft versus host disease (GvHD):

Jakavi is indicated for the treatment of patients aged 12 years and older with acute graft versus host disease or chronic graft versus host disease who have inadequate response to corticosteroids or other systemic therapies (see section 5. 1).


Treatment of chronic Graft versus Host Disease (cGvHD)


Treatment of acute graft-versus-host disease (aGvHD)


Treatment of vitiligo


5 Pharmacology and Biochemistry
5.1 ATC Code

L01EJ01


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